Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Control Unit(MCU). Repair procedures

Removal
   
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MCU is integrated with HPCU. Therefore, to install / remove the MCU, follow the procedure for installing / removing the HPCU.
(Refer to Hybrid Control System - "HPCU (Hybrid Power Control Unit)".)
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You need to perform resolver compensation whenever the engine, HPCU, drive motor, or starter generator (HSG) is replaced, removed, or reinstalled.
Perform compensation according to the GDS motor / HSG resolver compensation procedure shown below.
GDS Motor/HSG Resolver Compensation Procedure

    Diagram System CircuitA high-capacity power module is applied to the two high-voltage motors.The power module consists of a high - speed switching circuit that is isolated from the IGBT and DIODE circuits.

    Description• To efficiently control the drive motor, you need to know the absolute location of a motor rotor (permanent magnet).• Resolver detects the absolute location of the motor rotor.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Ambient Temperature Sensor. Description and operation

    DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.The sensor output will be used for discharge temperature control, temperature regulation door contrl, blower m

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Parking Distance Warning (PDW) Sensor. Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the front / rear bumper cover.(Refer to Body - "Front Bumper Cover")(Refer to Body - "Rear Bumper Cover")3.Disconnect the connector (A) from the parking assist sensor.4.Remove the sensor (A) by pulling out both ends of the sensor holder.

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